/* libFLAC++ - Free Lossless Audio Codec library
* Copyright (C) 2002-2009 Josh Coalson
* Copyright (C) 2011-2016 Xiph.Org Foundation
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* - Neither the name of the Xiph.org Foundation nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "FLAC++/encoder.h"
#include "FLAC++/metadata.h"
#include "FLAC/assert.h"
#ifdef _MSC_VER
// warning C4800: 'int' : forcing to bool 'true' or 'false' (performance warning)
#pragma warning ( disable : 4800 )
#endif
namespace FLAC {
namespace Encoder {
// ------------------------------------------------------------
//
// Stream
//
// ------------------------------------------------------------
Stream::Stream():
encoder_(::FLAC__stream_encoder_new())
{ }
Stream::~Stream()
{
if(0 != encoder_) {
(void)::FLAC__stream_encoder_finish(encoder_);
::FLAC__stream_encoder_delete(encoder_);
}
}
bool Stream::is_valid() const
{
return 0 != encoder_;
}
bool Stream::set_ogg_serial_number(long value)
{
FLAC__ASSERT(is_valid());
return (bool)::FLAC__stream_encoder_set_ogg_serial_number(encoder_, value);
}
bool Stream::set_verify(bool value)
{
FLAC__ASSERT(is_valid());
return (bool)::FLAC__stream_encoder_set_verify(encoder_, value);
}
bool Stream::set_streamable_subset(bool value)
{
FLAC__ASSERT(is_valid());
return (bool)::FLAC__stream_encoder_set_streamable_subset(encoder_, value);
}
bool Stream::set_channels(unsigned value)
{
FLAC__ASSERT(is_valid());
return (bool)::FLAC__stream_encoder_set_channels(encoder_, value);
}
bool Stream::set_bits_per_sample(unsigned value)
{
FLAC__ASSERT(is_valid());
return (bool)::FLAC__stream_encoder_set_bits_per_sample(encoder_, value);
}
bool Stream::set_sample_rate(unsigned value)
{
FLAC__ASSERT(is_valid());
return (bool)::FLAC__stream_encoder_set_sample_rate(encoder_, value);
}
bool Stream::set_compression_level(unsigned value)
{
FLAC__ASSERT(is_valid());
return (bool)::FLAC__stream_encoder_set_compression_level(encoder_, value);
}
bool Stream::set_blocksize(unsigned value)
{
FLAC__ASSERT(is_valid());
return (bool)::FLAC__stream_encoder_set_blocksize(encoder_, value);
}
bool Stream::set_do_mid_side_stereo(bool value)
{
FLAC__ASSERT(is_valid());
return (bool)::FLAC__stream_encoder_set_do_mid_side_stereo(encoder_, value);
}
bool Stream::set_loose_mid_side_stereo(bool value)
{
FLAC__ASSERT(is_valid());
return (bool)::FLAC__stream_encoder_set_loose_mid_side_stereo(encoder_, value);
}
bool Stream::set_apodization(const char *specification)
{
FLAC__ASSERT(is_valid());
return (bool)::FLAC__stream_encoder_set_apodization(encoder_, specification);
}
bool Stream::set_max_lpc_order(unsigned value)
{
FLAC__ASSERT(is_valid());
return (bool)::FLAC__stream_encoder_set_max_lpc_order(encoder_, value);
}
bool Stream::set_qlp_coeff_precision(unsigned value)
{
FLAC__ASSERT(is_valid());
return (bool)::FLAC__stream_encoder_set_qlp_coeff_precision(encoder_, value);
}
bool Stream::set_do_qlp_coeff_prec_search(bool value)
{
FLAC__ASSERT(is_valid());
return (bool)::FLAC__stream_encoder_set_do_qlp_coeff_prec_search(encoder_, value);
}
bool Stream::set_do_escape_coding(bool value)
{
FLAC__ASSERT(is_valid());
return (bool)::FLAC__stream_encoder_set_do_escape_coding(encoder_, value);
}
bool Stream::set_do_exhaustive_model_search(bool value)
{
FLAC__ASSERT(is_valid());
return (bool)::FLAC__stream_encoder_set_do_exhaustive_model_search(encoder_, value);
}
bool Stream::set_min_residual_partition_order(unsigned value)
{
FLAC__ASSERT(is_valid());
return (bool)::FLAC__stream_encoder_set_min_residual_partition_order(encoder_, value);
}
bool Stream::set_max_residual_partition_order(unsigned value)
{
FLAC__ASSERT(is_valid());
return (bool)::FLAC__stream_encoder_set_max_residual_partition_order(encoder_, value);
}
bool Stream::set_rice_parameter_search_dist(unsigned value)
{
FLAC__ASSERT(is_valid());
return (bool)::FLAC__stream_encoder_set_rice_parameter_search_dist(encoder_, value);
}
bool Stream::set_total_samples_estimate(FLAC__uint64 value)
{
FLAC__ASSERT(is_valid());
return (bool)::FLAC__stream_encoder_set_total_samples_estimate(encoder_, value);
}
bool Stream::set_metadata(::FLAC__StreamMetadata **metadata, unsigned num_blocks)
{
FLAC__ASSERT(is_valid());
return (bool)::FLAC__stream_encoder_set_metadata(encoder_, metadata, num_blocks);
}
bool Stream::set_metadata(FLAC::Metadata::Prototype **metadata, unsigned num_blocks)
{
FLAC__ASSERT(is_valid());
#ifndef HAVE_CXX_VARARRAYS
// some compilers (MSVC++, Borland C, SunPro, some GCCs w/ -pedantic) can't handle:
// ::FLAC__StreamMetadata *m[num_blocks];
// so we do this ugly workaround
::FLAC__StreamMetadata **m = new ::FLAC__StreamMetadata*[num_blocks];
#else
::FLAC__StreamMetadata *m[num_blocks];
#endif
for(unsigned i = 0; i < num_blocks; i++) {
// we can get away with the const_cast since we know the encoder will only correct the is_last flags
m[i] = const_cast< ::FLAC__StreamMetadata*>(static_cast<const ::FLAC__StreamMetadata*>(*metadata[i]));
}
#ifndef HAVE_CXX_VARARRAYS
// complete the hack
const bool ok = (bool)::FLAC__stream_encoder_set_metadata(encoder_, m, num_blocks);
delete [] m;
return ok;
#else
return (bool)::FLAC__stream_encoder_set_metadata(encoder_, m, num_blocks);
#endif
}
Stream::State Stream::get_state() const
{
FLAC__ASSERT(is_valid());
return State(::FLAC__stream_encoder_get_state(encoder_));
}
Decoder::Stream::State Stream::get_verify_decoder_state() const
{
FLAC__ASSERT(is_valid());
return Decoder::Stream::State(::FLAC__stream_encoder_get_verify_decoder_state(encoder_));
}
void Stream::get_verify_decoder_error_stats(FLAC__uint64 *absolute_sample, unsigned *frame_number, unsigned *channel, unsigned *sample, FLAC__int32 *expected, FLAC__int32 *got)
{
FLAC__ASSERT(is_valid());
::FLAC__stream_encoder_get_verify_decoder_error_stats(encoder_, absolute_sample, frame_number, channel, sample, expected, got);
}
bool Stream::get_verify() const
{
FLAC__ASSERT(is_valid());
return (bool)::FLAC__stream_encoder_get_verify(encoder_);
}
bool Stream::get_streamable_subset() const
{
FLAC__ASSERT(is_valid());
return (bool)::FLAC__stream_encoder_get_streamable_subset(encoder_);
}
bool Stream::get_do_mid_side_stereo() const
{
FLAC__ASSERT(is_valid());
return (bool)::FLAC__stream_encoder_get_do_mid_side_stereo(encoder_);
}
bool Stream::get_loose_mid_side_stereo() const
{
FLAC__ASSERT(is_valid());
return (bool)::FLAC__stream_encoder_get_loose_mid_side_stereo(encoder_);
}
unsigned Stream::get_channels() const
{
FLAC__ASSERT(is_valid());
return ::FLAC__stream_encoder_get_channels(encoder_);
}
unsigned Stream::get_bits_per_sample() const
{
FLAC__ASSERT(is_valid());
return ::FLAC__stream_encoder_get_bits_per_sample(encoder_);
}
unsigned Stream::get_sample_rate() const
{
FLAC__ASSERT(is_valid());
return ::FLAC__stream_encoder_get_sample_rate(encoder_);
}
unsigned Stream::get_blocksize() const
{
FLAC__ASSERT(is_valid());
return ::FLAC__stream_encoder_get_blocksize(encoder_);
}
unsigned Stream::get_max_lpc_order() const
{
FLAC__ASSERT(is_valid());
return ::FLAC__stream_encoder_get_max_lpc_order(encoder_);
}
unsigned Stream::get_qlp_coeff_precision() const
{
FLAC__ASSERT(is_valid());
return ::FLAC__stream_encoder_get_qlp_coeff_precision(encoder_);
}
bool Stream::get_do_qlp_coeff_prec_search() const
{
FLAC__ASSERT(is_valid());
return (bool)::FLAC__stream_encoder_get_do_qlp_coeff_prec_search(encoder_);
}
bool Stream::get_do_escape_coding() const
{
FLAC__ASSERT(is_valid());
return (bool)::FLAC__stream_encoder_get_do_escape_coding(encoder_);
}
bool Stream::get_do_exhaustive_model_search() const
{
FLAC__ASSERT(is_valid());
return (bool)::FLAC__stream_encoder_get_do_exhaustive_model_search(encoder_);
}
unsigned Stream::get_min_residual_partition_order() const
{
FLAC__ASSERT(is_valid());
return ::FLAC__stream_encoder_get_min_residual_partition_order(encoder_);
}
unsigned Stream::get_max_residual_partition_order() const
{
FLAC__ASSERT(is_valid());
return ::FLAC__stream_encoder_get_max_residual_partition_order(encoder_);
}
unsigned Stream::get_rice_parameter_search_dist() const
{
FLAC__ASSERT(is_valid());
return ::FLAC__stream_encoder_get_rice_parameter_search_dist(encoder_);
}
FLAC__uint64 Stream::get_total_samples_estimate() const
{
FLAC__ASSERT(is_valid());
return ::FLAC__stream_encoder_get_total_samples_estimate(encoder_);
}
::FLAC__StreamEncoderInitStatus Stream::init()
{
FLAC__ASSERT(is_valid());
return ::FLAC__stream_encoder_init_stream(encoder_, write_callback_, seek_callback_, tell_callback_, metadata_callback_, /*client_data=*/(void*)this);
}
::FLAC__StreamEncoderInitStatus Stream::init_ogg()
{
FLAC__ASSERT(is_valid());
return ::FLAC__stream_encoder_init_ogg_stream(encoder_, read_callback_, write_callback_, seek_callback_, tell_callback_, metadata_callback_, /*client_data=*/(void*)this);
}
bool Stream::finish()
{
FLAC__ASSERT(is_valid());
return (bool)::FLAC__stream_encoder_finish(encoder_);
}
bool Stream::process(const FLAC__int32 * const buffer[], unsigned samples)
{
FLAC__ASSERT(is_valid());
return (bool)::FLAC__stream_encoder_process(encoder_, buffer, samples);
}
bool Stream::process_interleaved(const FLAC__int32 buffer[], unsigned samples)
{
FLAC__ASSERT(is_valid());
return (bool)::FLAC__stream_encoder_process_interleaved(encoder_, buffer, samples);
}
::FLAC__StreamEncoderReadStatus Stream::read_callback(FLAC__byte buffer[], size_t *bytes)
{
(void)buffer, (void)bytes;
return ::FLAC__STREAM_ENCODER_READ_STATUS_UNSUPPORTED;
}
::FLAC__StreamEncoderSeekStatus Stream::seek_callback(FLAC__uint64 absolute_byte_offset)
{
(void)absolute_byte_offset;
return ::FLAC__STREAM_ENCODER_SEEK_STATUS_UNSUPPORTED;
}
::FLAC__StreamEncoderTellStatus Stream::tell_callback(FLAC__uint64 *absolute_byte_offset)
{
(void)absolute_byte_offset;
return ::FLAC__STREAM_ENCODER_TELL_STATUS_UNSUPPORTED;
}
void Stream::metadata_callback(const ::FLAC__StreamMetadata *metadata)
{
(void)metadata;
}
::FLAC__StreamEncoderReadStatus Stream::read_callback_(const ::FLAC__StreamEncoder *encoder, FLAC__byte buffer[], size_t *bytes, void *client_data)
{
(void)encoder;
FLAC__ASSERT(0 != client_data);
Stream *instance = reinterpret_cast<Stream *>(client_data);
FLAC__ASSERT(0 != instance);
return instance->read_callback(buffer, bytes);
}
::FLAC__StreamEncoderWriteStatus Stream::write_callback_(const ::FLAC__StreamEncoder *encoder, const FLAC__byte buffer[], size_t bytes, unsigned samples, unsigned current_frame, void *client_data)
{
(void)encoder;
FLAC__ASSERT(0 != client_data);
Stream *instance = reinterpret_cast<Stream *>(client_data);
FLAC__ASSERT(0 != instance);
return instance->write_callback(buffer, bytes, samples, current_frame);
}
::FLAC__StreamEncoderSeekStatus Stream::seek_callback_(const ::FLAC__StreamEncoder *encoder, FLAC__uint64 absolute_byte_offset, void *client_data)
{
(void)encoder;
FLAC__ASSERT(0 != client_data);
Stream *instance = reinterpret_cast<Stream *>(client_data);
FLAC__ASSERT(0 != instance);
return instance->seek_callback(absolute_byte_offset);
}
::FLAC__StreamEncoderTellStatus Stream::tell_callback_(const ::FLAC__StreamEncoder *encoder, FLAC__uint64 *absolute_byte_offset, void *client_data)
{
(void)encoder;
FLAC__ASSERT(0 != client_data);
Stream *instance = reinterpret_cast<Stream *>(client_data);
FLAC__ASSERT(0 != instance);
return instance->tell_callback(absolute_byte_offset);
}
void Stream::metadata_callback_(const ::FLAC__StreamEncoder *encoder, const ::FLAC__StreamMetadata *metadata, void *client_data)
{
(void)encoder;
FLAC__ASSERT(0 != client_data);
Stream *instance = reinterpret_cast<Stream *>(client_data);
FLAC__ASSERT(0 != instance);
instance->metadata_callback(metadata);
}
// ------------------------------------------------------------
//
// File
//
// ------------------------------------------------------------
File::File():
Stream()
{ }
File::~File()
{
}
::FLAC__StreamEncoderInitStatus File::init(FILE *file)
{
FLAC__ASSERT(is_valid());
return ::FLAC__stream_encoder_init_FILE(encoder_, file, progress_callback_, /*client_data=*/(void*)this);
}
::FLAC__StreamEncoderInitStatus File::init(const char *filename)
{
FLAC__ASSERT(is_valid());
return ::FLAC__stream_encoder_init_file(encoder_, filename, progress_callback_, /*client_data=*/(void*)this);
}
::FLAC__StreamEncoderInitStatus File::init(const std::string &filename)
{
return init(filename.c_str());
}
::FLAC__StreamEncoderInitStatus File::init_ogg(FILE *file)
{
FLAC__ASSERT(is_valid());
return ::FLAC__stream_encoder_init_ogg_FILE(encoder_, file, progress_callback_, /*client_data=*/(void*)this);
}
::FLAC__StreamEncoderInitStatus File::init_ogg(const char *filename)
{
FLAC__ASSERT(is_valid());
return ::FLAC__stream_encoder_init_ogg_file(encoder_, filename, progress_callback_, /*client_data=*/(void*)this);
}
::FLAC__StreamEncoderInitStatus File::init_ogg(const std::string &filename)
{
return init_ogg(filename.c_str());
}
// This is a dummy to satisfy the pure virtual from Stream; the
// read callback will never be called since we are initializing
// with FLAC__stream_decoder_init_FILE() or
// FLAC__stream_decoder_init_file() and those supply the read
// callback internally.
::FLAC__StreamEncoderWriteStatus File::write_callback(const FLAC__byte buffer[], size_t bytes, unsigned samples, unsigned current_frame)
{
(void)buffer, (void)bytes, (void)samples, (void)current_frame;
FLAC__ASSERT(false);
return ::FLAC__STREAM_ENCODER_WRITE_STATUS_FATAL_ERROR; // double protection
}
void File::progress_callback(FLAC__uint64 bytes_written, FLAC__uint64 samples_written, unsigned frames_written, unsigned total_frames_estimate)
{
(void)bytes_written, (void)samples_written, (void)frames_written, (void)total_frames_estimate;
}
void File::progress_callback_(const ::FLAC__StreamEncoder *encoder, FLAC__uint64 bytes_written, FLAC__uint64 samples_written, unsigned frames_written, unsigned total_frames_estimate, void *client_data)
{
(void)encoder;
FLAC__ASSERT(0 != client_data);
File *instance = reinterpret_cast<File *>(client_data);
FLAC__ASSERT(0 != instance);
instance->progress_callback(bytes_written, samples_written, frames_written, total_frames_estimate);
}
}
}